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Finding the Fourth Proportional to 719,016.04, 992,262.90 and 396,746.90

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Solution

The fourth proportional to 719,016.04, 992,262.90 and 396,746.90 is: 547,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,016.04 : 992,262.90 = 396,746.90 : x
  2. Step 2: Convert to fraction form
    719,016.04/992,262.90 = 396,746.90/x
  3. Step 3: Cross multiply
    719,016.04x = 992,262.90 × 396,746.90
  4. Step 4: Simplify right side
    719,016.04x = 393,677,222,614.96
  5. Step 5: Solve for x
    x = 393,677,222,614.96/719,016.04
  6. Step 6: Final answer
    x = 547,522.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.